The Beauty and Elegance of Functional Reactive Animation
summary
Functional Reactive Programming is presented as a temporal abstraction where the core objects are signal functions that must be causal, implemented here with Yampa and drawn with Gloss. The talk shows exact claims and tools: eight primitives and combinators, integrator/derivative signal functions for physics, a four‑planet orbital toy built from textbook force equations that runs correctly, the identical FRP code rendering via OpenGL, Yampa releasing every two months and supporting GHC 7.6–9.6, and the ecosystem’s ~50 prior implementations.
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chapters (9)
- 0:00Introduction to FRP
- 1:22The FRP ecosystem
- 5:47Visuals with gloss
- 8:20Temporal abstractions
- 12:48Implementation with Yampa
- 15:21Animation examples
- 18:39Simulations and physics
- 23:10Advanced composition
- 26:11Recap and Q&A
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